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977 条记录 (耗时 0.026 秒)

    RECOVERY OF TOCOPHEROLS
    91.
    发明公开
    RECOVERY OF TOCOPHEROLS 失效
    生殖细胞的恢复

    公开(公告)号：EP0866789A1

    公开(公告)日：1998-09-30

    申请号：EP96945568.0

    申请日：1996-12-06

    申请人： HENKEL CORPORATION

    发明人： HUNT, Tracy, K. ,  SCHWARZER, Joerg

    IPC分类号： C07D311

    CPC分类号： C07D311/72

    摘要： Starting from a mixture containing tocopherol, fats and/or fat derivatives, more particularly fatty acids, and optionally sterol and/or sterol derivatives, the free fatty acids present in the mixture are esterified with an alcohol and fatty glycerides are transesterified with an alcohol in the presence of a zinc oxide and/or zinc hydroxide catalyst. After the esterifications, the excess lower alcohol is distilled off from the reaction mixture. The transesterification catalyst and the glycerol present, if any, are removed and the fatty acid alkyl ester is distilled off from the mixture. Distillation of fatty acid alkyl esters can be accomplished with a packed column in sequence with a wiped film evaporator. The simultaneous recovery of tocopherol and sterol is possible. Tocopherols and sterols can be separated by the crystallization of sterols from a blend of organic solvents.

    摘要翻译： 从含有生育酚，脂肪和/或脂肪衍生物，更特别是脂肪酸，以及任选的甾醇和/或甾醇衍生物的混合物开始，将混合物中存在的游离脂肪酸用醇酯化，并将脂肪酸甘油酯与醇进行酯基转移反应 氧化锌和/或氢氧化锌催化剂的存在。 酯化后，将过量的低级醇从反应混合物中蒸出。 如果存在酯交换催化剂和甘油（如果有的话），并从混合物中蒸馏出脂肪酸烷基酯。 脂肪酸烷基酯的蒸馏可以用填充柱依次用刮膜蒸发器完成。 同时回收生育酚和甾醇是可能的。 生育酚和甾醇可以通过甾醇从有机溶剂混合物中结晶而分离。

    SMOKE REDUCTION OF FIBER LUBRICANTS
    95.
    发明公开
    SMOKE REDUCTION OF FIBER LUBRICANTS 失效
    空间减少被纤维REEVES资金。

    公开(公告)号：EP0837964A1

    公开(公告)日：1998-04-29

    申请号：EP96917983.0

    申请日：1996-06-06

    申请人： HENKEL CORPORATION

    发明人： MUDGE, Elbert, H.

    IPC分类号： D06M13

    CPC分类号： D06M13/358 ,  D06M7/00 ,  D06M13/224 ,  D06M13/282 ,  D06M13/288 ,  D06M2200/40

    摘要： A composition and process for reducing the amount of smoke generated at elevated temperatures when applying a fiber finish composition to fibers. Figure 1 shows a smoke measurement device known as the 'Hund-Gerat' tester which is used to measure the amount of smoke generated. The addition of certain antioxidants to a fiber lubricant composition containing oxa-acids or oxa-acid esters substantially reduces the development of smoke at temperatures from 170 to 200 °C.

    Process for treating metal with aqueous acidic composition that is substantially free from chromium (VI)
    96.
    发明公开
    Process for treating metal with aqueous acidic composition that is substantially free from chromium (VI) 失效
    用基本上不含铬（VI）的含水酸性组合物处理金属的方法，

    公开(公告)号：EP0825280A3

    公开(公告)日：1998-04-01

    申请号：EP97119009.5

    申请日：1992-08-12

    申请人： HENKEL CORPORATION

    发明人： Dolan, Shawn E.

    IPC分类号： C23C22/34 ,  C23C22/48

    CPC分类号： C23C22/34

    摘要： A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on aluminium and its alloys that contain at least 50 atomic percent aluminium by a dry-in-place aqueous acidic liquid comprising:
    (A) from 0.015 to 0.75 gram mole per kilogram of total composition of a component of anions, each of said anions consisting of (i) at least four fluorine atoms and (ii) at least one atom of an element selected from the group consisting of titanium, zirconium, hafnium, silicon, and boron and, optionally, (iii) one or more oxygen atoms; (B) a component of cations of elements selected from the group consisting of cobalt, magnesium, manganese, zinc, nickel, tin, zirconium, iron, aluminum and copper; the ratio of the total number of cations of this component to the total number of anions of component (A) being at least 3:5; and (C) sufficient free acid to give the composition, after dilution with from 1 to 19 times its own weight of water, a pH in the range from 0.5 to 5.0; and, optionally, (D) a composition that will form an organic resinous film upon drying in place.

    摘要翻译： 至少具有与常规铬酸盐转化涂层相当的防腐蚀质量的无铬转化涂层可以通过包含以下物质的干原酸性水性液体在铝及其合金上形成，所述铝及其合金包含至少50原子％的铝：（A）0.015 （ⅰ）至少4个氟原子和（ⅱ）至少一个选自钛，锆，锆和铪的元素的原子组成的每种阴离子， 铪，硅和硼，并且任选地，（iii）一个或多个氧原子; （B）选自钴，镁，锰，锌，镍，锡，锆，铁，铝和铜的元素的阳离子组分; 该组分的阳离子总数与组分（A）的阴离子总数之比为至少3：5; 和（C）足量的游离酸，在用其自身重量的水稀释1至19倍后，得到组合物的pH为0.5至5.0; 并且任选地，（D）在干燥后将形成有机树脂膜的组合物。

    COMPOSITION AND PROCESS FOR TREATING METAL
    97.
    发明公开
    COMPOSITION AND PROCESS FOR TREATING METAL 失效
    成分和方法金属热处理

    公开(公告)号：EP0824565A1

    公开(公告)日：1998-02-25

    申请号：EP95918314.0

    申请日：1995-05-08

    申请人： HENKEL CORPORATION

    发明人： DOLAN, Shawn, E. ,  STEINBRECHER, Lester, E.

    IPC分类号： C09D103 ,  C08K3 ,  C09D5 ,  C09D129 ,  C09D133 ,  C09D171 ,  C23C22 ,  C23F11

    CPC分类号： C23C22/34 ,  C23C22/37

    摘要： Heating an aqueous mixture of a fluoroacid such as H2TiF6 and an oxide, hydroxide, and/or carbonate such as silica produces a clear mixture with long term stability against settling of any solid phase, even when the oxide, hydroxide, or carbonate phase before heating was a dispersed solid with sufficiently large particles to scatter light and make the mixture before heating cloudy. The clear mixture produced by heating can either be mixed with water soluble and/or water dispersible polymers, for example with dispersed polymers of the diglycidyl ether of bisphenol-A or an acrylic acid polymer, or with soluble hexavalent and/or trivalent chromium, to produce a composition that improves the corrosion resistance of metals treated with the composition, especially after subsequent painting. Another composition that improves the corrosion resistance of metals after contact with them is an aqueous solution of a mixture of: (A') a water soluble or dispersible polymer having at least one -OH group per polymer molecule selected from the group consisting of polyvinyl alcohol, polyethylene glycol, modified starch, and mixtures thereof, and (B') polymers and copolymers of acrylic and methacrylic acid and their salts.

    LOW SLUDGING COMPOSITION AND PROCESS FOR TREATING ALUMINUM AND ITS ALLOYS
    99.
    发明公开
    LOW SLUDGING COMPOSITION AND PROCESS FOR TREATING ALUMINUM AND ITS ALLOYS 失效
    消除武器的组成和法治疗铝及其合金

    公开(公告)号：EP0799326A1

    公开(公告)日：1997-10-08

    申请号：EP95943426.0

    申请日：1995-12-22

    申请人： HENKEL CORPORATION

    发明人： IINO, Yasuo ,  SHIMIZU, Akio ,  IKEDA, Toshihiro

    IPC分类号： C23C22

    CPC分类号： C23C22/361

    摘要： A highly corrosion-resistant, strongly paint-adherent conversion coating is formed on the surface of aluminiferous metal substrates by contacting such surfaces for 0.5 to 60 seconds with a sludging-free water-based surface treatment bath that has a pH of 1.5 to 4.0 and contains a zirconium compound, phosphoric acid compound, oxidizing agent, and a compound that is a source of hydrogen fluoride (in a quantity that produces a concentration of from 0.0001 to 0.2 g/L HF in the treatment bath). This contact is preferably followed by a water rinse and drying.

    DEFOAMER COMPOSITION AND METHOD OF USING THE SAME
    100.
    发明公开
    DEFOAMER COMPOSITION AND METHOD OF USING THE SAME 失效
    消泡剂及其使用方法

    公开(公告)号：EP0785815A1

    公开(公告)日：1997-07-30

    申请号：EP95933829.0

    申请日：1995-09-22

    申请人： HENKEL CORPORATION

    发明人： COOK, Anthony, B. ,  PALMER, John, J. ,  RODRIGUEZ, Jose, M.

    IPC分类号： B01D19 ,  D21C3 ,  D21C11

    CPC分类号： D21C11/0092 ,  B01D19/0404 ,  D21C3/28 ,  B01D19/0409 ,  B01D19/0413 ,  B01D19/0436

    摘要： A defoamer composition made from the reaction product of an epoxide containing composition selected from epoxide fatty acids, epoxide vegetable oils and mixtures thereof and at least one secondary compound selected from the group consisting of fatty acids and alkoxylated derivatives thereof, alkoxylated polyols, alcohols, alkoxylated alcohols, alkylphenols, alkoxylated alkylphenols, alkylamides, alkoxylated alkylamides, acetylenic glycols, alkoxylated acetylenic glycols, polybasic acids, alkylene oxides, organo silicones and polymers thereof, and methods of using the same especially for defoaming black liquor produced in the pulp and paper industry.